Module 0

Addition

100

x - 4 = 16

x = 20

200

22 = y - 7

y = 29

300

y - 3 = -9

y = -6

400

x + (-4) = 26

x = 30

500

-14 - x = -26

x = 12

Subtraction

100

x + 1 = 5

x = 4

200

x + 5 = 15

x = 10

300

10 = x + 7

x = 3

400

10 = 9 + x

1 = x

500

-x + 4 = 26

x = -22

Multiplication

100

x/2 = 2

x = 4

200

x/3 = 8

x = 24

300

-9 = x/4

x = -36

400

-y/4 = 10

y = -40

500

2 -x/3 = 14

x = -36

Division

100

2x = 20

x = 10

200

4x = 32

x = 8

300

-45 = -15y

3 = y

400

100 = -25m

-4 = m

500

-5x + 5 = 50

x = -9